2. kapitola. Operace a grupy
Druhý výlet do moderní matematiky, GDML_Books, (1973), p. 51-93 / Harvested from
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@inbook{403784,
     title = {2. kapitola. Operace a grupy},
     booktitle = {Druh\'y v\'ylet do modern\'\i\ matematiky},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1973},
     pages = {51-93},
     url = {http://dml.mathdoc.fr/item/403784}
}

 (éd.). 2. kapitola. Operace a grupy, dans Druhý výlet do moderní matematiky, GDML_Books,  (1973), pp. 51-93. http://gdmltest.u-ga.fr/item/403784/